Home / 1,395,447.65-2,091,842.82-448,154.07

Finding the Fourth Proportional to 1,395,447.65, 2,091,842.82 and 448,154.07

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Solution

The fourth proportional to 1,395,447.65, 2,091,842.82 and 448,154.07 is: 671,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,447.65 : 2,091,842.82 = 448,154.07 : x
  2. Step 2: Convert to fraction form
    1,395,447.65/2,091,842.82 = 448,154.07/x
  3. Step 3: Cross multiply
    1,395,447.65x = 2,091,842.82 × 448,154.07
  4. Step 4: Simplify right side
    1,395,447.65x = 937,467,865,738.87
  5. Step 5: Solve for x
    x = 937,467,865,738.87/1,395,447.65
  6. Step 6: Final answer
    x = 671,804.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.